[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.37 by root, Tue Aug 23 12:37:19 2005 UTC vs.
Revision 1.51 by root, Sun Oct 22 22:14:33 2006 UTC

…		…
8	#include "autoconf/config.h"	8	#include "autoconf/config.h"
9		9
10	#include <pthread.h>	10	#include <pthread.h>
11		11
12	#include <stddef.h>	12	#include <stddef.h>
		13	#include <errno.h>
		14	#include <sys/time.h>
		15	#include <sys/select.h>
13	#include <sys/types.h>	16	#include <sys/types.h>
14	#include <sys/stat.h>	17	#include <sys/stat.h>
15	#include <limits.h>	18	#include <limits.h>
16	#include <unistd.h>	19	#include <unistd.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
…		…
31	# else	34	# else
32	# error sendfile support requested but not available	35	# error sendfile support requested but not available
33	# endif	36	# endif
34	#endif	37	#endif
35		38
		39	/* used for struct dirent, AIX doesn't provide it */
		40	#ifndef NAME_MAX
		41	# define NAME_MAX 4096
		42	#endif
		43
36	#if __ia64	44	#if __ia64
37	# define STACKSIZE 65536	45	# define STACKSIZE 65536
38	#else	46	#else
39	# define STACKSIZE 8192	47	# define STACKSIZE 8192
40	#endif	48	#endif
…		…
44	REQ_OPEN, REQ_CLOSE,	52	REQ_OPEN, REQ_CLOSE,
45	REQ_READ, REQ_WRITE, REQ_READAHEAD,	53	REQ_READ, REQ_WRITE, REQ_READAHEAD,
46	REQ_SENDFILE,	54	REQ_SENDFILE,
47	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
48	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
49	REQ_UNLINK, REQ_RMDIR,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
50	REQ_READDIR,	58	REQ_READDIR,
51	REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
		60	REQ_SLEEP,
		61	REQ_GROUP,
52	};	62	};
53		63
		64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
		66
54	typedef struct aio_cb {	67	typedef struct aio_cb
		68	{
55	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
56		70
57	int type;	71	struct aio_cb grp, grp_prev, grp_next, grp_first;
58		72
59	/* should receive a cleanup, with unions */	73	SV self; / the perl counterpart of this request, if any */
60	int fd, fd2;	74
		75	SV data, callback;
		76	SV fh, fh2;
		77	void dataptr, data2ptr;
		78	Stat_t *statdata;
61	off_t offset;	79	off_t offset;
62	size_t length;	80	size_t length;
63	ssize_t result;	81	ssize_t result;
		82
		83	int type;
		84	int fd, fd2;
		85	int errorno;
		86	STRLEN dataoffset;
64	mode_t mode; /* open */	87	mode_t mode; /* open */
65	int errorno;	88	unsigned char cancelled;
66	SV data, callback;
67	SV fh, fh2;
68	void dataptr, data2ptr;
69	STRLEN dataoffset;
70
71	Stat_t *statdata;
72	} aio_cb;	89	} aio_cb;
73		90
74	typedef aio_cb *aio_req;	91	typedef aio_cb *aio_req;
		92	typedef aio_cb *aio_req_ornot;
75		93
76	static int started, wanted;	94	static int started, wanted;
77	static volatile int nreqs;	95	static volatile int nreqs;
78	static int max_outstanding = 1<<30;	96	static int max_outstanding = 1<<30;
79	static int respipe [2];	97	static int respipe [2];
…		…
83	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
84		102
85	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
86	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
87		105
		106	static void req_invoke (aio_req req);
88	static void free_req (aio_req req)	107	static void req_free (aio_req req);
89	{
90	if (req->data)
91	SvREFCNT_dec (req->data);
92		108
		109	/* must be called at most once */
		110	static SV req_sv (aio_req req, const char klass)
		111	{
93	if (req->fh)	112	if (!req->self)
94	SvREFCNT_dec (req->fh);	113	{
		114	req->self = (SV *)newHV ();
		115	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		116	}
95		117
96	if (req->fh2)	118	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
		119	}
		120
		121	static aio_req SvAIO_REQ (SV *sv)
		122	{
		123	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
		124	croak ("object of class " AIO_REQ_KLASS " expected");
		125
		126	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
		127
		128	return mg ? (aio_req)mg->mg_ptr : 0;
		129	}
		130
		131	static void aio_grp_feed (aio_req grp)
		132	{
		133	while (grp->length < grp->fd2)
		134	{
		135	int old_len = grp->length;
		136
		137	if (grp->fh2 && SvOK (grp->fh2))
		138	{
		139	dSP;
		140
		141	ENTER;
		142	SAVETMPS;
		143	PUSHMARK (SP);
		144	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		145	PUTBACK;
		146	call_sv (grp->fh2, G_VOID \| G_EVAL);
		147	SPAGAIN;
		148	FREETMPS;
		149	LEAVE;
		150	}
		151
		152	/* stop if no progress has been made */
		153	if (old_len == grp->length)
		154	{
97	SvREFCNT_dec (req->fh2);	155	SvREFCNT_dec (grp->fh2);
98		156	grp->fh2 = 0;
99	if (req->statdata)	157	break;
100	Safefree (req->statdata);	158	}
101		159	}
102	if (req->callback)
103	SvREFCNT_dec (req->callback);
104
105	if (req->type == REQ_READDIR && req->result >= 0)
106	free (req->data2ptr);
107
108	Safefree (req);
109	}	160	}
110		161
111	static void	162	static void aio_grp_dec (aio_req grp)
112	poll_wait ()	163	{
		164	--grp->length;
		165
		166	/* call feeder, if applicable */
		167	aio_grp_feed (grp);
		168
		169	/* finish, if done */
		170	if (!grp->length && grp->fd)
		171	{
		172	req_invoke (grp);
		173	req_free (grp);
		174	}
		175	}
		176
		177	static void poll_wait ()
113	{	178	{
114	if (nreqs && !ress)	179	if (nreqs && !ress)
115	{	180	{
116	fd_set rfd;	181	fd_set rfd;
117	FD_ZERO(&rfd);	182	FD_ZERO(&rfd);
…		…
119		184
120	select (respipe [0] + 1, &rfd, 0, 0, 0);	185	select (respipe [0] + 1, &rfd, 0, 0, 0);
121	}	186	}
122	}	187	}
123		188
124	static int	189	static void req_invoke (aio_req req)
125	poll_cb ()	190	{
		191	dSP;
		192	int errorno = errno;
		193
		194	if (req->cancelled \|\| !SvOK (req->callback))
		195	return;
		196
		197	errno = req->errorno;
		198
		199	ENTER;
		200	SAVETMPS;
		201	PUSHMARK (SP);
		202	EXTEND (SP, 1);
		203
		204	switch (req->type)
		205	{
		206	case REQ_READDIR:
		207	{
		208	SV *rv = &PL_sv_undef;
		209
		210	if (req->result >= 0)
		211	{
		212	char *buf = req->data2ptr;
		213	AV *av = newAV ();
		214
		215	while (req->result)
		216	{
		217	SV *sv = newSVpv (buf, 0);
		218
		219	av_push (av, sv);
		220	buf += SvCUR (sv) + 1;
		221	req->result--;
		222	}
		223
		224	rv = sv_2mortal (newRV_noinc ((SV *)av));
		225	}
		226
		227	PUSHs (rv);
		228	}
		229	break;
		230
		231	case REQ_OPEN:
		232	{
		233	/* convert fd to fh */
		234	SV *fh;
		235
		236	PUSHs (sv_2mortal (newSViv (req->result)));
		237	PUTBACK;
		238	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		239	SPAGAIN;
		240
		241	fh = SvREFCNT_inc (POPs);
		242
		243	PUSHMARK (SP);
		244	XPUSHs (sv_2mortal (fh));
		245	}
		246	break;
		247
		248	case REQ_GROUP:
		249	req->fd = 2; /* mark group as finished */
		250
		251	if (req->data)
		252	{
		253	int i;
		254	AV av = (AV )req->data;
		255
		256	EXTEND (SP, AvFILL (av) + 1);
		257	for (i = 0; i <= AvFILL (av); ++i)
		258	PUSHs (*av_fetch (av, i, 0));
		259	}
		260	break;
		261
		262	case REQ_SLEEP:
		263	break;
		264
		265	default:
		266	PUSHs (sv_2mortal (newSViv (req->result)));
		267	break;
		268	}
		269
		270
		271	PUTBACK;
		272	call_sv (req->callback, G_VOID \| G_EVAL);
		273	SPAGAIN;
		274
		275	FREETMPS;
		276	LEAVE;
		277
		278	errno = errorno;
		279
		280	if (SvTRUE (ERRSV))
		281	{
		282	req_free (req);
		283	croak (0);
		284	}
		285	}
		286
		287	static void req_free (aio_req req)
		288	{
		289	if (req->grp)
		290	{
		291	aio_req grp = req->grp;
		292
		293	/* unlink request */
		294	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		295	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		296
		297	if (grp->grp_first == req)
		298	grp->grp_first = req->grp_next;
		299
		300	aio_grp_dec (grp);
		301	}
		302
		303	if (req->self)
		304	{
		305	sv_unmagic (req->self, PERL_MAGIC_ext);
		306	SvREFCNT_dec (req->self);
		307	}
		308
		309	SvREFCNT_dec (req->data);
		310	SvREFCNT_dec (req->fh);
		311	SvREFCNT_dec (req->fh2);
		312	SvREFCNT_dec (req->callback);
		313	Safefree (req->statdata);
		314
		315	if (req->type == REQ_READDIR && req->result >= 0)
		316	free (req->data2ptr);
		317
		318	Safefree (req);
		319	}
		320
		321	static void req_cancel (aio_req req)
		322	{
		323	req->cancelled = 1;
		324
		325	if (req->type == REQ_GROUP)
		326	{
		327	aio_req sub;
		328
		329	for (sub = req->grp_first; sub; sub = sub->grp_next)
		330	req_cancel (sub);
		331	}
		332	}
		333
		334	static int poll_cb ()
126	{	335	{
127	dSP;	336	dSP;
128	int count = 0;	337	int count = 0;
129	int do_croak = 0;	338	int do_croak = 0;
130	aio_req req;	339	aio_req req;
…		…
152	pthread_mutex_unlock (&reslock);	361	pthread_mutex_unlock (&reslock);
153		362
154	if (!req)	363	if (!req)
155	break;	364	break;
156		365
157	nreqs--;	366	--nreqs;
158		367
159	if (req->type == REQ_QUIT)	368	if (req->type == REQ_QUIT)
160	started--;	369	started--;
		370	else if (req->type == REQ_GROUP && req->length)
		371	{
		372	req->fd = 1; /* mark request as delayed */
		373	continue;
		374	}
161	else	375	else
162	{	376	{
163	int errorno = errno;
164	errno = req->errorno;
165
166	if (req->type == REQ_READ)	377	if (req->type == REQ_READ)
167	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	378	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
168		379
169	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	380	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
170	SvREADONLY_off (req->data);	381	SvREADONLY_off (req->data);
…		…
174	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	385	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
175	PL_laststatval = req->result;	386	PL_laststatval = req->result;
176	PL_statcache = *(req->statdata);	387	PL_statcache = *(req->statdata);
177	}	388	}
178		389
179	ENTER;	390	req_invoke (req);
180	PUSHMARK (SP);
181		391
182	if (req->type == REQ_READDIR)
183	{
184	SV *rv = &PL_sv_undef;
185
186	if (req->result >= 0)
187	{
188	char *buf = req->data2ptr;
189	AV *av = newAV ();
190
191	while (req->result)
192	{
193	SV *sv = newSVpv (buf, 0);
194
195	av_push (av, sv);
196	buf += SvCUR (sv) + 1;
197	req->result--;
198	}
199
200	rv = sv_2mortal (newRV_noinc ((SV *)av));
201	}
202
203	XPUSHs (rv);
204	}
205	else
206	{
207	XPUSHs (sv_2mortal (newSViv (req->result)));
208
209	if (req->type == REQ_OPEN)
210	{
211	/* convert fd to fh */
212	SV *fh;
213
214	PUTBACK;
215	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
216	SPAGAIN;
217
218	fh = SvREFCNT_inc (POPs);
219
220	PUSHMARK (SP);
221	XPUSHs (sv_2mortal (fh));
222	}
223	}
224
225	if (SvOK (req->callback))
226	{
227	PUTBACK;
228	call_sv (req->callback, G_VOID \| G_EVAL);
229	SPAGAIN;
230
231	if (SvTRUE (ERRSV))
232	{
233	free_req (req);
234	croak (0);
235	}
236	}
237
238	LEAVE;
239
240	errno = errorno;
241	count++;	392	count++;
242	}	393	}
243		394
244	free_req (req);	395	req_free (req);
245	}	396	}
246		397
247	return count;	398	return count;
248	}	399	}
249		400
250	static void aio_proc(void arg);	401	static void aio_proc(void arg);
251		402
252	static void
253	start_thread (void)	403	static void start_thread (void)
254	{	404	{
255	sigset_t fullsigset, oldsigset;	405	sigset_t fullsigset, oldsigset;
256	pthread_t tid;	406	pthread_t tid;
257	pthread_attr_t attr;	407	pthread_attr_t attr;
258		408
…		…
267	started++;	417	started++;
268		418
269	sigprocmask (SIG_SETMASK, &oldsigset, 0);	419	sigprocmask (SIG_SETMASK, &oldsigset, 0);
270	}	420	}
271		421
272	static void	422	static void req_send (aio_req req)
273	send_req (aio_req req)
274	{	423	{
275	while (started < wanted && nreqs >= started)	424	while (started < wanted && nreqs >= started)
276	start_thread ();	425	start_thread ();
277		426
278	nreqs++;	427	++nreqs;
279		428
280	pthread_mutex_lock (&reqlock);	429	pthread_mutex_lock (&reqlock);
281		430
282	req->next = 0;	431	req->next = 0;
283		432
…		…
302		451
303	poll_wait ();	452	poll_wait ();
304	}	453	}
305	}	454	}
306		455
307	static void	456	static void end_thread (void)
308	end_thread (void)
309	{	457	{
310	aio_req req;	458	aio_req req;
311	Newz (0, req, 1, aio_cb);	459	Newz (0, req, 1, aio_cb);
312	req->type = REQ_QUIT;	460	req->type = REQ_QUIT;
313		461
314	send_req (req);	462	req_send (req);
315	}	463	}
316		464
317	static void min_parallel (int nthreads)	465	static void min_parallel (int nthreads)
318	{	466	{
319	if (wanted < nthreads)	467	if (wanted < nthreads)
…		…
364	* normal read/write by using a mutex. slows down execution a lot,	512	* normal read/write by using a mutex. slows down execution a lot,
365	* but that's your problem, not mine.	513	* but that's your problem, not mine.
366	*/	514	*/
367	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	515	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
368		516
369	static ssize_t	517	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
370	pread (int fd, void *buf, size_t count, off_t offset)
371	{	518	{
372	ssize_t res;	519	ssize_t res;
373	off_t ooffset;	520	off_t ooffset;
374		521
375	pthread_mutex_lock (&preadwritelock);	522	pthread_mutex_lock (&preadwritelock);
…		…
380	pthread_mutex_unlock (&preadwritelock);	527	pthread_mutex_unlock (&preadwritelock);
381		528
382	return res;	529	return res;
383	}	530	}
384		531
385	static ssize_t
386	pwrite (int fd, void *buf, size_t count, off_t offset)	532	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
387	{	533	{
388	ssize_t res;	534	ssize_t res;
389	off_t ooffset;	535	off_t ooffset;
390		536
391	pthread_mutex_lock (&preadwritelock);	537	pthread_mutex_lock (&preadwritelock);
…		…
404	#endif	550	#endif
405		551
406	#if !HAVE_READAHEAD	552	#if !HAVE_READAHEAD
407	# define readahead aio_readahead	553	# define readahead aio_readahead
408		554
409	static ssize_t
410	readahead (int fd, off_t offset, size_t count)	555	static ssize_t readahead (int fd, off_t offset, size_t count)
411	{	556	{
412	char readahead_buf[4096];	557	char readahead_buf[4096];
413		558
414	while (count > 0)	559	while (count > 0)
415	{	560	{
…		…
427	#if !HAVE_READDIR_R	572	#if !HAVE_READDIR_R
428	# define readdir_r aio_readdir_r	573	# define readdir_r aio_readdir_r
429		574
430	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	575	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
431		576
432	static int
433	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	577	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
434	{	578	{
435	struct dirent *e;	579	struct dirent *e;
436	int errorno;	580	int errorno;
437		581
438	pthread_mutex_lock (&readdirlock);	582	pthread_mutex_lock (&readdirlock);
…		…
454	return e ? 0 : -1;	598	return e ? 0 : -1;
455	}	599	}
456	#endif	600	#endif
457		601
458	/* sendfile always needs emulation */	602	/* sendfile always needs emulation */
459	static ssize_t
460	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	603	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
461	{	604	{
462	ssize_t res;	605	ssize_t res;
463		606
464	if (!count)	607	if (!count)
465	return 0;	608	return 0;
…		…
499		642
500	if (res < 0 && sbytes)	643	if (res < 0 && sbytes)
501	res = sbytes;	644	res = sbytes;
502	}	645	}
503		646
		647	# endif
504	# else	648	#else
505	res = -1;	649	res = -1;
506	errno = ENOSYS;	650	errno = ENOSYS;
507	# endif
508	#endif	651	#endif
509		652
510	if (res < 0	653	if (res < 0
511	&& (errno == ENOSYS \|\| errno == EINVAL \|\| errno == ENOTSOCK	654	&& (errno == ENOSYS \|\| errno == EINVAL \|\| errno == ENOTSOCK
512	#if __solaris	655	#if __solaris
…		…
517	{	660	{
518	/* emulate sendfile. this is a major pain in the ass */	661	/* emulate sendfile. this is a major pain in the ass */
519	char buf[4096];	662	char buf[4096];
520	res = 0;	663	res = 0;
521		664
522	for (;;)	665	while (count)
523	{	666	{
524	ssize_t cnt;	667	ssize_t cnt;
525		668
526	cnt = pread (ifd, buf, 4096, offset);	669	cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);
527		670
528	if (cnt <= 0)	671	if (cnt <= 0)
529	{	672	{
530	if (cnt && !res) res = -1;	673	if (cnt && !res) res = -1;
531	break;	674	break;
…		…
539	break;	682	break;
540	}	683	}
541		684
542	offset += cnt;	685	offset += cnt;
543	res += cnt;	686	res += cnt;
		687	count -= cnt;
544	}	688	}
545	}	689	}
546		690
547	return res;	691	return res;
548	}	692	}
549		693
550	/* read a full directory */	694	/* read a full directory */
551	static int
552	scandir_ (const char path, void *namesp)	695	static int scandir_ (const char path, void *namesp)
553	{	696	{
554	DIR *dirp = opendir (path);	697	DIR *dirp = opendir (path);
555	union	698	union
556	{	699	{
557	struct dirent d;	700	struct dirent d;
…		…
611	return res;	754	return res;
612	}	755	}
613		756
614	/*****************************************************************************/	757	/*****************************************************************************/
615		758
616	static void *
617	aio_proc (void *thr_arg)	759	static void aio_proc (void thr_arg)
618	{	760	{
619	aio_req req;	761	aio_req req;
620	int type;	762	int type;
621		763
622	do	764	do
…		…
641		783
642	pthread_mutex_unlock (&reqlock);	784	pthread_mutex_unlock (&reqlock);
643		785
644	errno = 0; /* strictly unnecessary */	786	errno = 0; /* strictly unnecessary */
645		787
646	type = req->type;	788	if (!req->cancelled)
647		789	switch (type = req->type) /* remember type for QUIT check */
648	switch (type)
649	{	790	{
650	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	791	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
651	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	792	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
652		793
653	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	794	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
654	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;	795	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
655		796
656	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	797	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
657	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	798	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
658	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	799	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
659		800
660	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	801	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
661	case REQ_CLOSE: req->result = close (req->fd); break;	802	case REQ_CLOSE: req->result = close (req->fd); break;
662	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	803	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
663	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	804	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		805	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
		806	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
664	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	807	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
665		808
666	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	809	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
667	case REQ_FSYNC: req->result = fsync (req->fd); break;	810	case REQ_FSYNC: req->result = fsync (req->fd); break;
668	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	811	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
669		812
		813	case REQ_SLEEP:
		814	{
		815	struct timeval tv;
		816
		817	tv.tv_sec = req->fd;
		818	tv.tv_usec = req->fd2;
		819
		820	req->result = select (0, 0, 0, 0, &tv);
		821	}
		822
670	case REQ_QUIT:	823	case REQ_QUIT:
671	break;	824	break;
672		825
673	default:	826	default:
674	req->result = ENOSYS;	827	req->result = ENOSYS;
675	break;	828	break;
676	}	829	}
677		830
678	req->errorno = errno;	831	req->errorno = errno;
679		832
680	pthread_mutex_lock (&reslock);	833	pthread_mutex_lock (&reslock);
681		834
682	req->next = 0;	835	req->next = 0;
683		836
		837	printf ("queue rese %p\n", rese);//D
684	if (rese)	838	if (rese)
685	{	839	{
686	rese->next = req;	840	rese->next = req;
687	rese = req;	841	rese = req;
688	}	842	}
…		…
735		889
736	while (reqs)	890	while (reqs)
737	{	891	{
738	prv = reqs;	892	prv = reqs;
739	reqs = prv->next;	893	reqs = prv->next;
740	free_req (prv);	894	req_free (prv);
741	}	895	}
742		896
743	reqs = reqe = 0;	897	reqs = reqe = 0;
744		898
745	while (ress)	899	while (ress)
746	{	900	{
747	prv = ress;	901	prv = ress;
748	ress = prv->next;	902	ress = prv->next;
749	free_req (prv);	903	req_free (prv);
750	}	904	}
751		905
752	ress = rese = 0;	906	ress = rese = 0;
753		907
754	close (respipe [0]);	908	close (respipe [0]);
…		…
760		914
761	#define dREQ \	915	#define dREQ \
762	aio_req req; \	916	aio_req req; \
763	\	917	\
764	if (SvOK (callback) && !SvROK (callback)) \	918	if (SvOK (callback) && !SvROK (callback)) \
765	croak ("clalback must be undef or of reference type"); \	919	croak ("callback must be undef or of reference type"); \
766	\	920	\
767	Newz (0, req, 1, aio_cb); \	921	Newz (0, req, 1, aio_cb); \
768	if (!req) \	922	if (!req) \
769	croak ("out of memory during aio_req allocation"); \	923	croak ("out of memory during aio_req allocation"); \
770	\	924	\
771	req->callback = newSVsv (callback);	925	req->callback = newSVsv (callback)
		926
		927	#define REQ_SEND \
		928	req_send (req); \
		929	\
		930	if (GIMME_V != G_VOID) \
		931	XPUSHs (req_sv (req, AIO_REQ_KLASS));
772		932
773	MODULE = IO::AIO PACKAGE = IO::AIO	933	MODULE = IO::AIO PACKAGE = IO::AIO
774		934
775	PROTOTYPES: ENABLE	935	PROTOTYPES: ENABLE
776		936
777	BOOT:	937	BOOT:
778	{	938	{
		939	HV *stash = gv_stashpv ("IO::AIO", 1);
		940	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		941	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		942	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		943
779	create_pipe ();	944	create_pipe ();
780	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	945	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
781	}	946	}
782		947
783	void	948	void
784	min_parallel(nthreads)	949	min_parallel (nthreads)
785	int nthreads	950	int nthreads
786	PROTOTYPE: $	951	PROTOTYPE: $
787		952
788	void	953	void
789	max_parallel(nthreads)	954	max_parallel (nthreads)
790	int nthreads	955	int nthreads
791	PROTOTYPE: $	956	PROTOTYPE: $
792		957
793	int	958	int
794	max_outstanding(nreqs)	959	max_outstanding (nreqs)
795	int nreqs	960	int nreqs
796	PROTOTYPE: $	961	PROTOTYPE: $
797	CODE:	962	CODE:
798	RETVAL = max_outstanding;	963	RETVAL = max_outstanding;
799	max_outstanding = nreqs;	964	max_outstanding = nreqs;
800		965
801	void	966	void
802	aio_open(pathname,flags,mode,callback=&PL_sv_undef)	967	aio_open (pathname,flags,mode,callback=&PL_sv_undef)
803	SV * pathname	968	SV * pathname
804	int flags	969	int flags
805	int mode	970	int mode
806	SV * callback	971	SV * callback
807	PROTOTYPE: $$$;$	972	PROTOTYPE: $$$;$
808	CODE:	973	PPCODE:
809	{	974	{
810	dREQ;	975	dREQ;
811		976
812	req->type = REQ_OPEN;	977	req->type = REQ_OPEN;
813	req->data = newSVsv (pathname);	978	req->data = newSVsv (pathname);
814	req->dataptr = SvPVbyte_nolen (req->data);	979	req->dataptr = SvPVbyte_nolen (req->data);
815	req->fd = flags;	980	req->fd = flags;
816	req->mode = mode;	981	req->mode = mode;
817		982
818	send_req (req);	983	REQ_SEND;
819	}	984	}
820		985
821	void	986	void
822	aio_close(fh,callback=&PL_sv_undef)	987	aio_close (fh,callback=&PL_sv_undef)
823	SV * fh	988	SV * fh
824	SV * callback	989	SV * callback
825	PROTOTYPE: $;$	990	PROTOTYPE: $;$
826	ALIAS:	991	ALIAS:
827	aio_close = REQ_CLOSE	992	aio_close = REQ_CLOSE
828	aio_fsync = REQ_FSYNC	993	aio_fsync = REQ_FSYNC
829	aio_fdatasync = REQ_FDATASYNC	994	aio_fdatasync = REQ_FDATASYNC
830	CODE:	995	PPCODE:
831	{	996	{
832	dREQ;	997	dREQ;
833		998
834	req->type = ix;	999	req->type = ix;
835	req->fh = newSVsv (fh);	1000	req->fh = newSVsv (fh);
836	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1001	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
837		1002
838	send_req (req);	1003	REQ_SEND (req);
839	}	1004	}
840		1005
841	void	1006	void
842	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	1007	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
843	SV * fh	1008	SV * fh
844	UV offset	1009	UV offset
845	UV length	1010	UV length
846	SV * data	1011	SV * data
847	UV dataoffset	1012	UV dataoffset
848	SV * callback	1013	SV * callback
849	ALIAS:	1014	ALIAS:
850	aio_read = REQ_READ	1015	aio_read = REQ_READ
851	aio_write = REQ_WRITE	1016	aio_write = REQ_WRITE
852	PROTOTYPE: $$$$$;$	1017	PROTOTYPE: $$$$$;$
853	CODE:	1018	PPCODE:
854	{	1019	{
855	aio_req req;	1020	aio_req req;
856	STRLEN svlen;	1021	STRLEN svlen;
857	char *svptr = SvPVbyte (data, svlen);	1022	char *svptr = SvPVbyte (data, svlen);
858		1023
…		…
896	{	1061	{
897	SvREADONLY_on (data);	1062	SvREADONLY_on (data);
898	req->data2ptr = (void *)data;	1063	req->data2ptr = (void *)data;
899	}	1064	}
900		1065
901	send_req (req);	1066	REQ_SEND;
902	}	1067	}
903	}	1068	}
904		1069
905	void	1070	void
906	aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)	1071	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
907	SV * out_fh	1072	SV * out_fh
908	SV * in_fh	1073	SV * in_fh
909	UV in_offset	1074	UV in_offset
910	UV length	1075	UV length
911	SV * callback	1076	SV * callback
912	PROTOTYPE: $$$$;$	1077	PROTOTYPE: $$$$;$
913	CODE:	1078	PPCODE:
914	{	1079	{
915	dREQ;	1080	dREQ;
916		1081
917	req->type = REQ_SENDFILE;	1082	req->type = REQ_SENDFILE;
918	req->fh = newSVsv (out_fh);	1083	req->fh = newSVsv (out_fh);
…		…
920	req->fh2 = newSVsv (in_fh);	1085	req->fh2 = newSVsv (in_fh);
921	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1086	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
922	req->offset = in_offset;	1087	req->offset = in_offset;
923	req->length = length;	1088	req->length = length;
924		1089
925	send_req (req);	1090	REQ_SEND;
926	}	1091	}
927		1092
928	void	1093	void
929	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	1094	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
930	SV * fh	1095	SV * fh
931	UV offset	1096	UV offset
932	IV length	1097	IV length
933	SV * callback	1098	SV * callback
934	PROTOTYPE: $$$;$	1099	PROTOTYPE: $$$;$
935	CODE:	1100	PPCODE:
936	{	1101	{
937	dREQ;	1102	dREQ;
938		1103
939	req->type = REQ_READAHEAD;	1104	req->type = REQ_READAHEAD;
940	req->fh = newSVsv (fh);	1105	req->fh = newSVsv (fh);
941	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	1106	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
942	req->offset = offset;	1107	req->offset = offset;
943	req->length = length;	1108	req->length = length;
944		1109
945	send_req (req);	1110	REQ_SEND;
946	}	1111	}
947		1112
948	void	1113	void
949	aio_stat(fh_or_path,callback=&PL_sv_undef)	1114	aio_stat (fh_or_path,callback=&PL_sv_undef)
950	SV * fh_or_path	1115	SV * fh_or_path
951	SV * callback	1116	SV * callback
952	ALIAS:	1117	ALIAS:
953	aio_stat = REQ_STAT	1118	aio_stat = REQ_STAT
954	aio_lstat = REQ_LSTAT	1119	aio_lstat = REQ_LSTAT
955	CODE:	1120	PPCODE:
956	{	1121	{
957	dREQ;	1122	dREQ;
958		1123
959	New (0, req->statdata, 1, Stat_t);	1124	New (0, req->statdata, 1, Stat_t);
960	if (!req->statdata)	1125	if (!req->statdata)
961	{	1126	{
962	free_req (req);	1127	req_free (req);
963	croak ("out of memory during aio_req->statdata allocation");	1128	croak ("out of memory during aio_req->statdata allocation");
964	}	1129	}
965		1130
966	if (SvPOK (fh_or_path))	1131	if (SvPOK (fh_or_path))
967	{	1132	{
…		…
974	req->type = REQ_FSTAT;	1139	req->type = REQ_FSTAT;
975	req->fh = newSVsv (fh_or_path);	1140	req->fh = newSVsv (fh_or_path);
976	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1141	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
977	}	1142	}
978		1143
979	send_req (req);	1144	REQ_SEND;
980	}	1145	}
981		1146
982	void	1147	void
983	aio_unlink(pathname,callback=&PL_sv_undef)	1148	aio_unlink (pathname,callback=&PL_sv_undef)
984	SV * pathname	1149	SV * pathname
985	SV * callback	1150	SV * callback
986	ALIAS:	1151	ALIAS:
987	aio_unlink = REQ_UNLINK	1152	aio_unlink = REQ_UNLINK
988	aio_rmdir = REQ_RMDIR	1153	aio_rmdir = REQ_RMDIR
		1154	aio_readdir = REQ_READDIR
989	CODE:	1155	PPCODE:
990	{	1156	{
991	dREQ;	1157	dREQ;
992		1158
993	req->type = ix;	1159	req->type = ix;
994	req->data = newSVsv (pathname);	1160	req->data = newSVsv (pathname);
995	req->dataptr = SvPVbyte_nolen (req->data);	1161	req->dataptr = SvPVbyte_nolen (req->data);
996		1162
997	send_req (req);	1163	REQ_SEND;
998	}	1164	}
999		1165
1000	void	1166	void
1001	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)	1167	aio_link (oldpath,newpath,callback=&PL_sv_undef)
1002	SV * oldpath	1168	SV * oldpath
1003	SV * newpath	1169	SV * newpath
1004	SV * callback	1170	SV * callback
		1171	ALIAS:
		1172	aio_link = REQ_LINK
		1173	aio_symlink = REQ_SYMLINK
		1174	aio_rename = REQ_RENAME
1005	CODE:	1175	PPCODE:
1006	{	1176	{
1007	dREQ;	1177	dREQ;
1008		1178
1009	req->type = REQ_SYMLINK;	1179	req->type = ix;
1010	req->fh = newSVsv (oldpath);	1180	req->fh = newSVsv (oldpath);
1011	req->data2ptr = SvPVbyte_nolen (req->fh);	1181	req->data2ptr = SvPVbyte_nolen (req->fh);
1012	req->data = newSVsv (newpath);	1182	req->data = newSVsv (newpath);
1013	req->dataptr = SvPVbyte_nolen (req->data);	1183	req->dataptr = SvPVbyte_nolen (req->data);
1014		1184
1015	send_req (req);	1185	REQ_SEND;
1016	}	1186	}
1017		1187
1018	void	1188	void
1019	aio_readdir(pathname,callback=&PL_sv_undef)	1189	aio_sleep (delay,callback=&PL_sv_undef)
1020	SV * pathname	1190	double delay
1021	SV * callback	1191	SV * callback
1022	CODE:	1192	PPCODE:
1023	{	1193	{
1024	dREQ;	1194	dREQ;
1025		1195
1026	req->type = REQ_READDIR;	1196	req->type = REQ_SLEEP;
1027	req->data = newSVsv (pathname);	1197	req->fd = delay < 0. ? 0 : delay;
1028	req->dataptr = SvPVbyte_nolen (req->data);	1198	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1029
1030	send_req (req);
1031	}
1032		1199
		1200	REQ_SEND;
		1201	}
		1202
1033	void	1203	void
		1204	aio_group (callback=&PL_sv_undef)
		1205	SV * callback
		1206	PROTOTYPE: ;$
		1207	PPCODE:
		1208	{
		1209	dREQ;
		1210	req->type = REQ_GROUP;
		1211	req_send (req);
		1212	XPUSHs (req_sv (req, AIO_GRP_KLASS));
		1213	}
		1214
		1215	void
1034	flush()	1216	flush ()
1035	PROTOTYPE:	1217	PROTOTYPE:
1036	CODE:	1218	CODE:
1037	while (nreqs)	1219	while (nreqs)
1038	{	1220	{
1039	poll_wait ();	1221	poll_wait ();
…		…
1079	CODE:	1261	CODE:
1080	RETVAL = nreqs;	1262	RETVAL = nreqs;
1081	OUTPUT:	1263	OUTPUT:
1082	RETVAL	1264	RETVAL
1083		1265
		1266	PROTOTYPES: DISABLE
		1267
		1268	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
		1269
		1270	void
		1271	cancel (aio_req_ornot req)
		1272	PROTOTYPE:
		1273	CODE:
		1274	req_cancel (req);
		1275
		1276	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1277
		1278	void
		1279	add (aio_req grp, ...)
		1280	PPCODE:
		1281	{
		1282	int i;
		1283
		1284	if (grp->fd == 2)
		1285	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1286
		1287	for (i = 1; i < items; ++i )
		1288	{
		1289	if (GIMME_V != G_VOID)
		1290	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1291
		1292	aio_req req = SvAIO_REQ (ST (i));
		1293
		1294	if (req)
		1295	{
		1296	++grp->length;
		1297	req->grp = grp;
		1298
		1299	req->grp_prev = 0;
		1300	req->grp_next = grp->grp_first;
		1301
		1302	if (grp->grp_first)
		1303	grp->grp_first->grp_prev = req;
		1304
		1305	grp->grp_first = req;
		1306	}
		1307	}
		1308	}
		1309
		1310	void
		1311	result (aio_req grp, ...)
		1312	CODE:
		1313	{
		1314	int i;
		1315	AV *av = newAV ();
		1316
		1317	for (i = 1; i < items; ++i )
		1318	av_push (av, newSVsv (ST (i)));
		1319
		1320	SvREFCNT_dec (grp->data);
		1321	grp->data = (SV *)av;
		1322	}
		1323
		1324	void
		1325	lock (aio_req grp)
		1326	CODE:
		1327	++grp->length;
		1328
		1329	void
		1330	unlock (aio_req grp)
		1331	CODE:
		1332	aio_grp_dec (grp);
		1333
		1334	void
		1335	feeder_limit (aio_req grp, int limit)
		1336	CODE:
		1337	grp->fd2 = limit;
		1338	aio_grp_feed (grp);
		1339
		1340	void
		1341	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1342	CODE:
		1343	{
		1344	SvREFCNT_dec (grp->fh2);
		1345	grp->fh2 = newSVsv (callback);
		1346
		1347	if (grp->fd2 <= 0)
		1348	grp->fd2 = 2;
		1349
		1350	aio_grp_feed (grp);
		1351	}
		1352

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.37 by root, Tue Aug 23 12:37:19 2005 UTC vs. Revision 1.51 by root, Sun Oct 22 22:14:33 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.37 by root, Tue Aug 23 12:37:19 2005 UTC vs.
Revision 1.51 by root, Sun Oct 22 22:14:33 2006 UTC